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authorEdgar E. Iglesias <edgar.iglesias@amd.com>2024-04-30 10:14:01 +0200
committerEdgar E. Iglesias <edgar.iglesias@amd.com>2024-06-09 20:16:14 +0200
commit49a7202979e49c7c9c02461fce497a868ef6b143 (patch)
treea195f9c147a5a0fefb6ac395cd6b378aa4b7a4cf /hw/xen/xen-mapcache.c
parent123acd816dccbd358570ec7ab79c5cb2c863780b (diff)
downloadfocaccia-qemu-49a7202979e49c7c9c02461fce497a868ef6b143.tar.gz
focaccia-qemu-49a7202979e49c7c9c02461fce497a868ef6b143.zip
xen: mapcache: Pass the ram_addr offset to xen_map_cache()
Pass the ram_addr offset to xen_map_cache.
This is in preparation for adding grant mappings that need
to compute the address within the RAMBlock.

No functional changes.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'hw/xen/xen-mapcache.c')
-rw-r--r--hw/xen/xen-mapcache.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/hw/xen/xen-mapcache.c b/hw/xen/xen-mapcache.c
index ec95445696..a07c47b0b1 100644
--- a/hw/xen/xen-mapcache.c
+++ b/hw/xen/xen-mapcache.c
@@ -167,7 +167,8 @@ static void xen_remap_bucket(MapCache *mc,
                              void *vaddr,
                              hwaddr size,
                              hwaddr address_index,
-                             bool dummy)
+                             bool dummy,
+                             ram_addr_t ram_offset)
 {
     uint8_t *vaddr_base;
     xen_pfn_t *pfns;
@@ -266,6 +267,7 @@ static void xen_remap_bucket(MapCache *mc,
 
 static uint8_t *xen_map_cache_unlocked(MapCache *mc,
                                        hwaddr phys_addr, hwaddr size,
+                                       ram_addr_t ram_offset,
                                        uint8_t lock, bool dma, bool is_write)
 {
     MapCacheEntry *entry, *pentry = NULL,
@@ -337,14 +339,16 @@ tryagain:
     if (!entry) {
         entry = g_new0(MapCacheEntry, 1);
         pentry->next = entry;
-        xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy);
+        xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy,
+                         ram_offset);
     } else if (!entry->lock) {
         if (!entry->vaddr_base || entry->paddr_index != address_index ||
                 entry->size != cache_size ||
                 !test_bits(address_offset >> XC_PAGE_SHIFT,
                     test_bit_size >> XC_PAGE_SHIFT,
                     entry->valid_mapping)) {
-            xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy);
+            xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy,
+                             ram_offset);
         }
     }
 
@@ -391,13 +395,15 @@ tryagain:
 
 uint8_t *xen_map_cache(MemoryRegion *mr,
                        hwaddr phys_addr, hwaddr size,
+                       ram_addr_t ram_addr_offset,
                        uint8_t lock, bool dma,
                        bool is_write)
 {
     uint8_t *p;
 
     mapcache_lock(mapcache);
-    p = xen_map_cache_unlocked(mapcache, phys_addr, size, lock, dma, is_write);
+    p = xen_map_cache_unlocked(mapcache, phys_addr, size, ram_addr_offset,
+                               lock, dma, is_write);
     mapcache_unlock(mapcache);
     return p;
 }
@@ -632,7 +638,7 @@ static uint8_t *xen_replace_cache_entry_unlocked(MapCache *mc,
     trace_xen_replace_cache_entry_dummy(old_phys_addr, new_phys_addr);
 
     xen_remap_bucket(mc, entry, entry->vaddr_base,
-                     cache_size, address_index, false);
+                     cache_size, address_index, false, old_phys_addr);
     if (!test_bits(address_offset >> XC_PAGE_SHIFT,
                 test_bit_size >> XC_PAGE_SHIFT,
                 entry->valid_mapping)) {